/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Observer for getlist api of contact service.

*

*/

#ifndef C_GETLISTSTORELISTOBSERVER_H

#define C_GETLISTSTORELISTOBSERVER_H

#include <CVPbkContactManager.h>

#include <MVPbkContactStoreObserver.h>

#include "contactservice.h"

#include "contactcallback.h"

#include "contactservice.hrh"

class CContactService;

class CContactIter;

class CContactViewObserver;

/**

 * This class has methods for handling the return from Async open of a contacts database.

 */

class CGetListStoreListObserver:public CBase,

								public MVPbkContactStoreListObserver,

								public MCancelAsync

{

public:

    static CGetListStoreListObserver* NewL(const TDesC& aUri,

										   const TDesC8& aContactId, 

										   const TDesC& aSearchVal, 

										   CSearchFields* aSearchFields,

										   TOrder aSortOrder,

										   MContactCallback *aCallback,

										   CContactService *aContactService,

										   CContactIter* aIter,

										   Ttype atype,

										   TInt aTransId,

    ~CGetListStoreListObserver();

	/*

	 * Implementation of Cancel of MCancelAsync

	 */

	void Cancel();

private: // from MVPbkContactStoreListObserver

     void ConstructL(const TDesC8& aContactId, const TDesC& aSearchVal);

    /**

     * An indication that the contact store is ready.

     *

     * @param aContactStore A reference to the store sending the indication.

     * @return None.

     */

    void StoreReady( MVPbkContactStore& aContactStore );

    /**

     * An indication that the contact store is not ready.

     *

     * @param aContactStore A reference to the store sending the indication.

     * @param aReason An error code defining the reason for unavailability.

     * @return None.

     */

    void StoreUnavailable( MVPbkContactStore& aContactStore,

                           TInt aReason );

    /**

     * An indication for a contact store event.

     *

     * @param aContactStore A reference to the store sending the indication.

     * @param aStoreEvent The contact store event.

     * @return None.

     */

    void HandleStoreEventL( MVPbkContactStore& aContactStore,

                            TVPbkContactStoreEvent aStoreEvent );

    /**

     * An indication that the contact store is opened successfully.

     *

     * @return None.

     */

    void OpenComplete();

private:

    CGetListStoreListObserver(const TDesC& aUri,

            				  const TDesC8& aContactId, const TDesC& aSearchVal, 

            				  CSearchFields* aSearchFields,

            				  TOrder aSortOrder,MContactCallback *aCallback,

            				   CContactService *aContactService,

            				  CContactIter* aIter, enum Ttype atype, 

   /**

	*  Sets the view of the database and also creates a filtered view

	*/

    void CreateAndFilterViewL(MVPbkContactStore& aContactStore);

 private: 

 	//Store Uri  

    TBufC<KMaxPath> iUri;

    //ContactId

    HBufC8* iContactId; 

    //Search Value

    HBufC* iSearchVal;

    //Fields to search in

	CSearchFields* iSearchFields;

	//Default list for search fields

	CVPbkFieldTypeRefsList* iFieldsList;

	//Order in which the result is to be sorted

    TOrder iSortOrder;   

    //Callback function

    MContactCallback *iCallback;

    //Pointer to Contact service

 	CContactService *iContactService;    

    //Output param

    CContactIter* iIter;

    //Search on Contacts/Groups/Databases

    Ttype iType;

    //Transaction Id

    TInt iTransId;

    /*

     * Pointer to contact store instance.

     */ 

     MVPbkContactStore* iContactStore;

     /*

      * RetrieveL() Handle

      */

	 MVPbkContactOperationBase* iRetOp;

};

#endif//C_GETLISTSTORELISTOBSERVER_H